20,679 research outputs found

    Multilateral political party assistance on societies in transition to democracy: a critical review

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    Several international actors have been engaged in democracy promotion initiatives devoted to supporting and assisting democratisation reforms. Various projects were implemented to assist political parties in societies in transition. In this paper, I will integrate the debate concerning political party aid with the international dimensions of democratisation and theories of cooperation. This is motivated by the fact that most research on the development of political parties and party systems in transitional societies is still very much concentrated on internal factors, neglecting the intervention and the potential impact of democracy promotion initiatives. I begin with a clarification of the main concepts in discussion, followed by a critical assessment of the theoretical approaches proposed in the literature, focusing in the impacts for societies in transition. I argue that disaggregating democracy aid into its components is a more promising analytical strategy. In terms of donorsā€™ strategies, two tendencies emerge clearly: there is a preference for the model of influence by consent and a tendency to formulate linear assumptions on the attitudes and strategies of the actors in the recipient country

    Out-of-equilibrium thermodynamic relations in systems with aging and slow relaxation

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    The experimental time scale dependence of thermodynamic relations in out-of-equilibrium systems with aging phenomena is investigated theoretically by using only aging properties of the two-time correlation functions and the generalized fluctuation-dissipation theorem (FDT). We show that there are two experimental time regimes characterized by different thermal properties. In the first regime where the waiting time is much longer than the measurement time, the principle of minimum work holds even though a system is out of equilibrium. In the second regime where both the measurement time and the waiting time are long, the thermal properties are completely different from properties in equilibrium. For the single-correlation-scale systems such as pp-spin spherical spin-glasses, contrary to a fundamental assumption of thermodynamics, the work done in an infinitely slow operation depends on the path of change of the external field even when the waiting time is infinite. On the other hand, for the multi-correlation-scale systems such as Sherrington-Kirkpatrick model, the work done in an infinitely slow operation is independent of the path. Our results imply that in order to describe thermodynamic properties of systems with aging it is essential to consider the experimental time scales and history of a system as a state variable is necessary.Comment: 28 pages(REVTeX), 4 figure(EPS). To be published in Phys. Rev.

    Climate Change and Highland Malaria: Fresh Air for a Hot Debate

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    In recent decades, malaria has become established in zones at the margin of its previous distribution, especially in the highlands of East Africa. Studies in this region have sparked a heated debate over the importance of climate change in the territorial expansion of malaria, where positions range from its neglect to the reification of correlations as causes. Here, we review studies supporting and rebutting the role of climatic change as a driving force for highland invasion by malaria. We assessed the conclusions from both sides of the argument and found that evidence for the role of climate in these dynamics is robust. However, we also argue that over-emphasizing the importance of climate is misleading for setting a research agenda, even one which attempts to understand climate change impacts on emerging malaria patterns. We review alternative drivers for the emergence of this disease and highlight the problems still calling for research if the multidimensional nature of malaria is to be adequately tackled. We also contextualize highland malaria as an ongoing evolutionary process. Finally, we present Schmalhausen's law, which explains the lack of resilience in stressed systems, as a biological principle that unifies the importance of climatic and other environmental factors in driving malaria patterns across different spatio-temporal scales

    Measuring the fluctuation-dissipation ratio in glassy systems with no perturbing field

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    A method is presented for measuring the integrated response in Ising spin system without applying any perturbing field. Large-scale simulations are performed in order to show how the method works. Very precise measurements of the fluctuation-dissipation ratio are presented for 3 different Ising models: the 2-dimensional ferromagnetic model, the mean-field diluted 3-spin model, and the 3-dimensional Edwards-Anderson model.Comment: 4 pages, 4 figure

    Structural Breaks and Convergence in Output Growth in the EU

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    Convergence is defined for a multivariate time-series model of output with breaks in intercepts and in time trends. Using OECD quarterly data on output from 1980, the convergence hypothesis is tested across seven European economies, Belgium, Finland, France, Italy, the Netherlands, Spain and the UK. On the strictest definition, the hypothesis of convergence of output can be rejected but, with a weaker definition, there is some evidence of convergence for the five countries Belgium, Finland, France, the Netherlands and the UK. The data is consistent with a model in which each country's trend output is related to a common European stochastic trend. This trend output is estimated and graphed for each country.Convergence, Output Growth, Permanent Stochastic Trends

    Structural Breaks and Permanent Trends

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    For a multivariate time series model with structural breaks, explicit representations of the Beveridge-Nelson and Granger-Gonzalo-Proietti permanent trends are derived from the Johansen maximum likelihood estimates.Multivariate Time Series, Structural Breaks, Permanent Trends

    Balanced Growth and Output Convergence in Europe

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    Using OECD quarterly data on consumption, output and investment from 1980, the balanced growth hypothesis is tested country by country for seven European economies, Belgium, Finland, France, Holland, Italy, Spain and the UK. Output series for each of the countries is then modelled as an output system and the hypothesis of convergence in trend output growth tested. Finally, the hypothesis of balanced growth and convergence, is tested in a system framework.Convergence, Balanced Growth, Stochastic Trends

    The first relatively complete exoccipital-opisthotic from the braincase of the Callovian pliosaur, Liopleurodon

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    A newly recognized left exoccipital-opisthotic of a Callovian pliosaur, derived from the Peterborough or lower Stewarby Members of the Oxford Clay Formation of Peterborough, is described and figured. This isolated bone is tentatively identified as belonging to an ā€˜adultā€™ individual of Liopleurodon ferox that is inferred to have had a skull length of 1.26 metres and an overall body length of 6.39 metres

    Monitoring environmental cleanliness on two surgical wards

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    Ten hand-touch sites were screened weekly on two surgical wards over two consecutive six-month periods. The results were analysed using hygiene standards, which specify 1) an aerobic colony count (ACC) >2.5cfu/cm2, and 2) presence of coagulase-positive staphylococci, as hygiene failures. Sites most often failing the standards were beds and hoist (64%: 33 of 52 weeks), bedside lockers (62%: 32 of 52) and overbed tables (44%: 23 of 52). Methicillin-susceptible/resistant Staphylococcus aureus (MSSA/MRSA) were more often recovered from lockers, overbed tables and beds. Recovery of MSSA/MRSA at any site was significantly associated with an ACC>2.5cfu/cm2 from that site (p=0.001; OR: 3.35 (95% CI 1.79, 6.28)). In addition, total ACC's>2.5cfu/cm2 each week were significantly associated with weekly bed occupancies >95% (p=0.0004; OR: 2.94 (95% CI 1.44, 6.02)). Higher microbial growth levels from hand-touch sites reflect weekly bed occupancies and indicate a risk for both resistant and susceptible S.aureus. These organisms are more likely to be recovered from near-patient sites on the ward
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